Categories ↠ Motor Graders ↠ John Deere 770CH

John Deere 770CH Motor Grader

Category: Motor Graders ➔
Manufacturer: John Deere ➔
Model: 770CH ➔

The John Deere 770CH Motor Grader boasts impressive features and specifications that make it a powerful and reliable machine for various construction and road maintenance tasks. With a robust engine providing 205 horsepower, a 12-foot moldboard width, and a smooth hydraulic system, this motor grader is equipped to handle even the toughest grading projects with ease and efficiency. Its advanced transmission, steering system, and circle blade design ensure precision and control, making the John Deere 770CH an essential asset for any heavy equipment fleet.

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Circle

Blade Tip Angle - Front	49 degrees
Blade Tip Angle - Rear	5 degrees
Diameter	59.90 in (152.15 cm)
Max Lift Above Ground	18.60 in (47.24 cm)
Max Reach Outside Tires - Left	85.10 in (216.15 cm)
Max Reach Outside Tires - Right	83.10 in (211.07 cm)
Rotation	360 degrees
Shift Left	31.00 in (78.74 cm)
Shift Right	28.60 in (72.64 cm)

Dimensions

Blade Base	8.80 ft (2.68 m)
Front Ground Clearance	2.10 ft (0.64 m)
Height to Top of Isomount Cab	10.30 ft (3.14 m)
Overall Length	28.30 ft (8.63 m)
Tandem Axle Wheelbase	5.10 ft (1.55 m)
Wheelbase	19.60 ft (5.97 m)
Width Over Tires	8.30 ft (2.53 m)

Engine

Aspiration	Turbocharged with Aftercooler
Displacement	494.00 cu in (8,095.23 cu cm)
Engine Model	6081H
Max Power	205.00 hp (152.87 kw)
Net Power Gear 1-2	165.00 hp (123.04 kw)
Net Power Gear 4-6	185.00 hp (137.96 kw)
Net Power Gear 5-6	205.00 hp (152.87 kw)
Net Power Gears 7-8	205.00 hp (152.87 kw)
Net Torque Gears 1-2	570.00 lbs ft (772.81 nm)
Net Torque Gears 3-4	680.00 lbs ft (921.94 nm)
Net Torque Gears 5-6	682.00 lbs ft (924.66 nm)
Net Torque Gears 7-8	682.00 lbs ft (924.66 nm)
Number of Cylinders	6
Power Measured @	1900 rpm
Torque Measured @	900 rpm

Front Axle

Ground Clearance	2.10 ft (0.64 m)
Oscillation - Total	32 degrees
Wheel Lean	20 degrees

Hydraulic System

Pump Flow	54.70 gpm (207.04 lpm)
Pump Type	Closed Center Variable displacement
Relief Valve Pressure	2550 psi

Moldboard

Blade Pull at Max Weight	27,990.00 lbs (12,696.07 kg)
Moldboard Height	24.00 in (60.96 cm)
Moldboard Thickness	0.90 in (2.29 cm)
Moldboard Width	12.00 ft (3.66 m)
Side Shift Left	26.90 in (68.33 cm)
Side Shift Right	26.90 in (68.33 cm)

Operating Specifications

Alternator Supplied Amperage	55 amps
Circle Gearbox Fluid Capacity	1.10 gal (4.16 l)
Cooling System Fluid Capacity	12.00 gal (45.42 l)
Fuel Capacity	106.00 gal (401.21 l)
Hydraulic System Fluid Capacity	15.60 gal (59.05 l)
Max Operation Weight - Front Axle	9,910.00 lbs (4,495.11 kg)
Max Operation Weight - Rear Axle	26,320.00 lbs (11,938.57 kg)
Max Operation Weight - Total	36,230.00 lbs (16,433.67 kg)
Oil System Fluid Capacity	7.70 gal (29.14 l)
Operating Voltage	24 volts
Rear Diff/Final Drive Fluid Capacity	9.50 gal (35.96 l)
Std Operation Weight - Front Axle	8,790.00 lbs (3,987.08 kg)
Std Operation Weight - Rear Axle	22,710.00 lbs (10,301.10 kg)
Std Operation Weight - Total	31,500.00 lbs (14,288.18 kg)
Tandem Case Fluid Capacity (each)	19.90 gal (75.32 l)
Tire Size	14.00-24
Transmission Fluid Capacity	10.10 gal (38.23 l)

Steering System

Articulation Angle	25 degrees
Turning Radius	22.00 ft (6.71 m)

Transmission

Max Speed - Forward	25.80 mph (41.52 kph)
Max Speed - Reverse	25.80 mph (41.52 kph)
Number of Gears - Forward	8
Number of Gears - Reverse	8
Transmission Type	Power Shift

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